Resources
Ask about Colorado testing rules
Ask a question about Colorado marijuana testing, such as sampling, failed tests, remediation and retesting, records, or what a testing facility must do. Answers come from the testing rules effective November 1, 2026, and the other rules they refer to. Every answer points to the rule it came from, and the rule text is shown underneath so you can check it.
Answer
Rule text used
Reference tool, not legal advice. The rule text is from the Colorado Marijuana Rules (1 CCR 212-3) effective November 1, 2026. It covers Rules 4-205 to 4-245 and the testing facility rules 5-410 to 5-460, along with the rules they refer to on video surveillance, waste, business records and concentrate manufacturing (3-225, 3-230, 3-905, 5-315, 6-315 and 6-450). Check current rule text with the Marijuana Enforcement Division before acting on an answer.